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Overview

A precipitation runoff model for the Pomperaug River watershed, Connecticut was developed to address issues of concern including the effect of development on streamflow and groundwater recharge, and the implications of water withdrawals on streamflow. The model was parameterized using a strategy that requires a minimum of calibration and optimization by establishing basic relations between the parameter value and physical characteristics of individual hydrologic response units (HRUs) that comprise the model. The strategy was devised so that the information needed can be obtained from Geographic Information System and other general databases for Connecticut. Simulation of groundwater recharge enabled evaluation of the temporal and spatial mapping of recharge variation across the watershed and the spatial effects of changes in land cover on base flow and surface runoff.

Fluvial transport of sediment into the Chesapeake Bay estuary is a persistent water-quality issue with
major implications for the overall health of the bay ecosystem. Accurately and precisely estimating the suspended-sediment concentrations (SSC) and loads that are delivered to the ...

We evaluated the effects of contaminants on osprey (Pandion haliaetus) nesting along the lower Duwamish
River (LDR), Washington, and used the upper reach of the Willamette River (WR), Oregon, as a reference site. Osprey eggs and nestling blood (plasma) were ...

Roosevelt City, Utah, asserts a need for an additional supply of water to meet municipal
demands and has identified a potential location for affectional groundwater development at the Sprouse well field near the West Channel of the Uinta River.

Channel morphodynamics in réponse to flow modifications from Galvins Point Dam are examined in four
reachers of the Lower Missouri River. Measures include changes in channel morphology and indicators of sediment transport in four 6 kilometer long reachers located in ...

This document describes the concept, organization, and application of a hierarchical ecosystem classification that integrates
saline and tidal freshwater reaches of estuaries in order to characterize the ecosystems of large flood plain rivers that are strongly influenced by riverine and ...

The Wetlands Reserve Program (WRP) is one of several programs implemented by the U.S. Department
of Agriculture (USDA). Since the WRP's inception in 1990, it has resulted in the restoration of approximately 29,000 hectares in California's Central Valley (CCV) and ...

The Bureau of Land Management (BLM) Cadastral Survey program has been missing the opportunity to
identify and perform surveys on high risk lands where significant potential revenues could be collected by the Department or Indian tribes. The Department has outdated ...

Oil and gas exploration and development is extending into deeper water in the Gulf of
Mexico. The current record is 3,051 m (10,011 ft) in Chevron's Toledo prospect in the Alaminos Canyon Block 951 in the Gulf of Mexico. This ...